261-2373 CYLINDER & MTG GP-CENTERSHIFT S/N N9A1-UP PART OF 371-3796 HYDRAULIC AR, 479-7657 IMPLEMENT AR ALSO AN ATTACHMENT 18M3



HYDRAULIC SYSTEM
CYLINDER GP

MOTOR GRADER 18M3 MOTOR GRADER N9A
 18M Series 3 Motor Grader N9A00001-UP (MACHINE) POWERED BY C13 Engine SEBP7272 18M3 N9A   (2015)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER & MTG GP-BLADE LIFT
366-6096 CYLINDER & MTG GP-BLADE LIFT
CYLINDER & MTG GP-BLADE TIP
352-5793 CYLINDER & MTG GP-BLADE TIP
CYLINDER & MTG GP-CENTERSHIFT
261-2373 CYLINDER & MTG GP-CENTERSHIFT
CYLINDER & MTG GP-SIDESHIFT
257-6804 CYLINDER & MTG GP-SIDESHIFT
CYLINDER & MTG GP-SIDESHIFT
257-6804 CYLINDER & MTG GP-SIDESHIFT
CYLINDER & MTG GP-STEERING
421-8644 CYLINDER & MTG GP-STEERING
 

#SEBP72720680
 

261-2373: CYLINDER & MTG GP-CENTERSHIFT

261-2373 CYLINDER & MTG GP-CENTERSHIFT
S/N N9A1-UP
PART OF 371-3796 HYDRAULIC AR, 479-7657 IMPLEMENT AR
ALSO AN ATTACHMENT
i02374285 SEBP7272
2612373 CYLINDER & MTG GP-CENTERSHIFT Parts scheme
  For full view, you need register

Parts for your 18M3 MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 2G-9101 [2] CAP  
2. 310-5479 [8] SHIM (0.5-MM THK)  
3. 3B-8485 [2] ELBOW  
4. 310-5480 [4] INSERT  
5. 262-1905 Y [1] CYLINDER GP-CENTERSHIFT  
6. 112-3929 M [4] BOLT (M24X3X100-MM)  
7. 267-3506 [4] WASHER-HARD (26X44X4-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP72720681
 

257-6804: CYLINDER & MTG GP-SIDESHIFT

257-6804 CYLINDER & MTG GP-SIDESHIFT
S/N N9A1-UP
PART OF 371-3796 HYDRAULIC AR, 479-7657 IMPLEMENT AR
Type 1
ALSO AN ATTACHMENT
i02179480 SEBP7272
2576804 CYLINDER & MTG GP-SIDESHIFT Parts scheme
  For full view, you need register

Parts for your 18M3 MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 257-5083 Y [1] CYLINDER GP-SIDESHIFT  
2. 283-1578 [6] WASHER-HARD (22X45X10-MM THK)  
3. 312-6156 [1] PIN  
4. 370-8685 [1] BRACKET  
5. 112-3927 M [5] BOLT (M20X2.5X90-MM)  
6. 1H-4478 [1] PIN  
7. 3B-4647 [2] PIN-COTTER  
8. 9R-0109 [2] WASHER (41X64X3-MM THK)  
9. 166-1880 M [1] BOLT (M20X2.5X75-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP72720682
 

257-6804: CYLINDER & MTG GP-SIDESHIFT

257-6804 CYLINDER & MTG GP-SIDESHIFT
S/N N9A1-UP
PART OF 371-3796 HYDRAULIC AR, 479-7657 IMPLEMENT AR
Type 2
ALSO AN ATTACHMENT
i07561369 SEBP7272
2576804 CYLINDER & MTG GP-SIDESHIFT Parts scheme
  For full view, you need register

Parts for your 18M3 MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 509-6996 CY [1] CYLINDER GP-SIDESHIFT  
2. 283-1578 [6] WASHER-HARD (22X45X10-MM THK)  
3. 312-6156 [1] PIN  
4. 370-8685 [1] BRACKET  
5. 112-3927 M [5] BOLT (M20X2.5X90-MM)  
6. 1H-4478 [1] PIN  
7. 3B-4647 [2] PIN-COTTER  
8. 9R-0109 [2] WASHER (41X64X3-MM THK)  
9. 166-1880 M [1] BOLT (M20X2.5X75-MM)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP72720683
 

421-8644: CYLINDER & MTG GP-STEERING

421-8644 CYLINDER & MTG GP-STEERING
S/N N9A1-UP
PART OF 474-6914 AXLE GP-FRONT
i06145072 SEBP7272
4218644 CYLINDER & MTG GP-STEERING Parts scheme
  For full view, you need register

Parts for your 18M3 MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 260-6117 [2] BALL STUD  
2. 285-0612 [2] CAP AS-DUST  
3. 426-4335 [2] PIN AS  
4. 436-9156 Y [1] CYLINDER GP-STEERING  
5. 436-9157 Y [1] CYLINDER GP-STEERING  
6. 438-1542 [4] SPACER  
7. 441-8164 [2] SEAL-BOOT  
8. 124-6524 [2] SPACER (11X25X10.5-MM THK)  
9. 249-3505 [2] RACE-BEARING  
10. 8B-1002 [2] NUT-SLOTTED  
11. 3B-4629 [2] PIN-COTTER  
12. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
13. 3J-8500 [2] RING-RETAINING  
14. 4F-8824 [2] SEAL-O-RING  
15. 6V-5842 M [2] BOLT (M10X1.5X40-MM)  
16. 7X-0632 [2] WASHER-HARD (11X36X6-MM THK)  
17. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
18. 9X-6590 [2] WASHER (30.5X46X3.5-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP72720684
 

249-6545: CYLINDER & MTG GP-WHEEL LEAN

249-6545 CYLINDER & MTG GP-WHEEL LEAN -NON ALL WHEEL DRIVE
S/N N9A1-UP
PART OF 474-6914 AXLE GP-FRONT
i02373769 SEBP7272
2496545 CYLINDER & MTG GP-WHEEL LEAN Parts scheme
  For full view, you need register

Parts for your 18M3 MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 2G-8611 [1] PIN  
2. 6G-7187 [1] LOCK  
3. 289-3054 Y [1] CYLINDER GP-HYDRAULIC  
4. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
5. 5P-8245 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
6. 5P-8843 [4] SEAL-LIP TYPE  
7. 6V-3668 M [2] BOLT (M12X1.75X30-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP72720685
 

388-7681: CYLINDER GP-ARTICULATION

388-7681 CYLINDER GP-ARTICULATION
S/N N9A1-UP
101.6-MM (4-IN) BORE X 375-MM (14.8-IN) STROKE
PART OF 366-6093 CYLINDER & MTG GP-ARTICULATION
i06144273 SEBP7272
3887681 CYLINDER GP-ARTICULATION Parts scheme
  For full view, you need register

Parts for your 18M3 MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 5J-5402 [1] SEAL AS  
2. 6J-2797 [1] RING-WEAR  
3. 8T-0785 [1] RING-WEAR  
4. 142-5893 [1] PISTON  
5. 172-9981 [1] HEAD  
6. 225-3281 [1] SEAL-WIPER  
7. 289-2937 [1] SEAL AS-BUFFER  
8. 388-2076 [1] ROD AS  
8A. 8D-8168 [1] BEARING (63.65-MM ID)  
9. 388-7682 [1] CYLINDER AS  
10. 173-9683 M [1] BOLT (M30X3.5X90-MM)  
11. 289-2948 [1] SEAL-U-CUP  
12. 2K-6830 [1] RING-BACKUP  
13. 9X-4611 [1] SEAL-O-RING  
14. 9X-8399 [1] WASHER (33X56X6-MM THK)  
  M   METRIC PART
 

#SEBP72720686
 

510-8438: CYLINDER GP-ARTICULATION

510-8438 CYLINDER GP-ARTICULATION
S/N N9A1-UP
101.6-MM (4-IN) BORE X 375 -MM (14.8- IN ) STROKE
PART OF 366-6093 CYLINDER & MTG GP-ARTICULATION
i06979344 SEBP7272
5108438 CYLINDER GP-ARTICULATION Parts scheme
  For full view, you need register

Parts for your 18M3 MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 2K-6830 [1] RING-BACKUP  
2. 5J-5402 [1] SEAL AS  
3. 6J-2797 [1] RING-WEAR  
4. 8T-0785 [1] RING-WEAR  
5. 9X-4611 [1] SEAL-O-RING  
6. 9X-8399 [1] WASHER (33X56X6-MM THK)  
7. 142-5893 [1] PISTON  
8. 172-9981 [1] HEAD  
9. 173-9683 M [1] BOLT (M30X3.5X90-MM)  
10. 225-3281 [1] SEAL-WIPER  
11. 289-2937 [1] SEAL AS-BUFFER  
12. 289-2948 [1] SEAL-U-CUP  
13. 388-2076 [1] ROD AS  
13A. 8D-8168 [1] BEARING (63.65-MM ID)  
14. 510-8437 [1] CYLINDER AS  
  M   METRIC PART
 

#SEBP72720687
 

389-9511: CYLINDER GP-BLADE TIP

389-9511 CYLINDER GP-BLADE TIP
S/N N9A1-UP
101.2-MM (4-IN) BORE X 355.5-MM (14-IN) STROKE
PART OF 352-5793 CYLINDER & MTG GP-BLADE TIP
ALSO AN ATTACHMENT
i06113027 SEBP7272
3899511 CYLINDER GP-BLADE TIP Parts scheme
  For full view, you need register

Parts for your 18M3 MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 6E-0775 [1] HEAD AS  
  308-1845 [1] SEAL-WIPER  
2. 6E-1049 [1] ROD AS  
2A. 4D-0298 BEARING  
3. 9T-3133 [1] PISTON  
4. 390-0186 [1] CYLINDER AS  
4A. 4D-0298 [1] BEARING  
5. 173-9683 M [1] BOLT (M30X3.5X90-MM)  
6. 289-2935 [1] SEAL AS-BUFFER  
7. 289-2946 [1] SEAL-U-CUP  
8. 175-7900 [1] SEAL-O-RING  
9. 2K-6830 [1] RING-BACKUP  
10. 308-1845 [1] SEAL-WIPER  
11. 3S-7023 [1] WASHER (34X57X6-MM THK)  
12. 4T-5613 [1] RING-WEAR  
13. 5J-5402 [1] SEAL AS  
14. 6J-2797 [1] RING-WEAR  
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP72720688
 

262-1905: CYLINDER GP-CENTERSHIFT

262-1905 CYLINDER GP-CENTERSHIFT
S/N N9A1-UP
101.6-MM (4-IN) BORE X 479.6-MM (18.9-IN) STROKE
PART OF 261-2373 CYLINDER & MTG GP-CENTERSHIFT
ALSO AN ATTACHMENT
i02374292 SEBP7272
2621905 CYLINDER GP-CENTERSHIFT Parts scheme
  For full view, you need register

Parts for your 18M3 MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 9T-3051 [1] PISTON  
2. 172-9981 [1] HEAD  
3. 262-1924 [1] ROD AS  
4. 262-1929 [1] CYLINDER AS  
5. 289-2937 J [1] SEAL AS-BUFFER  
6. 289-2948 J [1] SEAL-U-CUP  
7. 173-9683 M [1] BOLT (M30X3.5X90-MM)  
8. 175-7900 J [1] SEAL-O-RING  
9. 225-3281 J [1] SEAL-WIPER  
10. 2K-6830 J [1] RING-BACKUP  
11. 3S-7023 [1] WASHER (34X57X6-MM THK)  
12. 5J-5402 J [1] SEAL AS  
13. 6J-2797 J [1] RING-WEAR  
14. 8T-0785 J [1] RING-WEAR  
   
    AVAILABLE REPAIR KIT(S):
  234-1949 J [1] KIT-SEAL (HYDRAULIC CYLINDER)  
    (INCLUDES RINGS & SEALS)
    (FOR USE WITH REHS1392)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP72720689
 

289-3054: CYLINDER GP-HYDRAULIC

289-3054 CYLINDER GP-HYDRAULIC -NON ALL WHEEL DRIVE
S/N N9A1-UP
101.6-MM (4.0-IN) BORE X 174.8-MM (6.88-IN) STROKE
PART OF 249-6545 CYLINDER & MTG GP-WHEEL LEAN
i02651760 SEBP7272
2893054 CYLINDER GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 18M3 MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 289-3055 [1] CYLINDER AS  
1A. 2G-8635 [1] BUSHING  
2. 173-9683 M [1] BOLT (M30X3.5X90-MM)  
3. 3S-7023 [1] WASHER (34X57X6-MM THK)  
4. 5J-5402 J [1] SEAL AS  
5. 6J-2797 J [1] RING-WEAR  
6. 9T-5927 [1] PISTON  
7. 9X-4611 J [1] SEAL-O-RING  
8. 2K-6830 J [1] RING-BACKUP  
9. 6E-4977 [1] HEAD  
10. 121-9247 [1] ROD AS  
10A. 2G-8635 [1] BUSHING  
11. 231-3538 J [1] SEAL-WIPER  
12. 362-3819 J [1] SEAL-U-CUP  
13. 167-2200 J [1] SEAL AS  
14. 8T-4958 J [1] RING-WEAR  
   
    AVAILABLE REPAIR KIT(S):
  425-2108 J [1] KIT-HYD CYLINDER SEAL  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

Information:

Caterpillar Parts SIS Catalog 18M3 :

CYLINDER & MTG GP-BLADE TIP
352-5793 CYLINDER & MTG GP-BLADE TIP
CYLINDER & MTG GP-BLADE LIFT
366-6096 CYLINDER & MTG GP-BLADE LIFT
CYLINDER & MTG GP-ARTICULATION
366-6093 CYLINDER & MTG GP-ARTICULATION
CYLINDER & MTG GP-ARTICULATION
366-6093 CYLINDER & MTG GP-ARTICULATION
COOLER GP-HYDRAULIC OIL
441-0767 COOLER GP-HYDRAULIC OIL
385-7557 CONTROL AR-HYDRAULIC
385-7554 CONTROL AR-HYDRAULIC
BASE GP-OIL FILTER
369-0818 BASE GP-OIL FILTER
CYLINDER & MTG GP-SIDESHIFT
257-6804 CYLINDER & MTG GP-SIDESHIFT
CYLINDER & MTG GP-SIDESHIFT
257-6804 CYLINDER & MTG GP-SIDESHIFT
CYLINDER & MTG GP-STEERING
421-8644 CYLINDER & MTG GP-STEERING
CYLINDER & MTG GP-WHEEL LEAN
249-6545 CYLINDER & MTG GP-WHEEL LEAN
CYLINDER GP-ARTICULATION
388-7681 CYLINDER GP-ARTICULATION
CYLINDER GP-ARTICULATION
510-8438 CYLINDER GP-ARTICULATION
CYLINDER GP-BLADE TIP
389-9511 CYLINDER GP-BLADE TIP
CYLINDER GP-CENTERSHIFT
262-1905 CYLINDER GP-CENTERSHIFT